“…The use of seven independent predictive variables in Ohmann score (right lower quadrant pain, rebound tenderness, no micturition difficulties, steady pain, leukocyte count ≥ 10.0, age ≤ 50 years, and positive abdominal rigidity) [26]. The predictive symptoms and signs to diagnosis appendicitis in children by using Lintula score (gender, intensity of pain, relocation of pain, vomiting, pain in the right lower quadrant, fever, guarding, bowel sounds and rebound tenderness); which subsequently been validated in adults [27,28]. The Fenyo-Lindberg scoring system uses nine clinical and one laboratory variable to form a score to predict cases of appendicitis [29].…”